microscopic
aquatic (water-living)
plants
drifting or wandering
algae
the ocean
prokaryotes
zooplankton
phytoplankton
eukaryotes
it makes the water more acidic.
it makes the water saltier.
it kills large predators like sharks.
Zooplankton are tiny animals.
To scare away predators
Just for fun
To attract a mate
To see in the dark
Thousands of cells
Hundreds of cells
A few dozen cells
Millions of cells
All plankton are microscopic (too small to see without a microscope).